Fix Ground Control info.plist
Fix Ground Control info.plist

The `repository` key should be only your username and the name of the repository (`loicsander/Robofont-scripts`). The sub-folder that the extension is in can be added under `extensionPath`. I'll make this more clear in the Mechanic README.
loicsander/Robofont-scripts,miguelsousa/Robofont-scripts